The temperature on October 20, 1909 was between 9.8 °C and 15.6 °C and averaged 12.5 °C. There was 1.6 hours of sunshine (15%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
Day of marriage June 11, 1931
The temperature on June 11, 1931 was between 13.0 °C and 19.6 °C and averaged 16.4 °C. There was 3.2 hours of sunshine (19%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
May 1 » The Empire State Building is dedicated in New York City.
May 29 » Michele Schirru, a citizen of the United States, is executed by Italian military firing squad for intent to kill Benito Mussolini.
July 16 » Emperor Haile Selassie signs the first constitution of Ethiopia.
August 24 » France and the Soviet Union sign a neutrality pact.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I115127.php : accessed October 14, 2026), "Trijntje Adema (1909-)".
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